package com.jshare.util;

import java.util.regex.Pattern;

public class WebUtil {
	
	public static String Html2Text(String inputString) {  
        String htmlStr = inputString; // 含html标签的字符串  
        String textStr = "";  
        java.util.regex.Pattern p_script;  
        java.util.regex.Matcher m_script;  
        java.util.regex.Pattern p_style;  
        java.util.regex.Matcher m_style;  
        java.util.regex.Pattern p_html;  
        java.util.regex.Matcher m_html;  
  
        java.util.regex.Pattern p_html1;  
        java.util.regex.Matcher m_html1;  
  
        try {  
            String regEx_script = "<[\\s]*?script[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?script[\\s]*?>"; // 定义script的正则表达式{或<script[^>]*?>[\\s\\S]*?<\\/script>  
            // }  
            String regEx_style = "<[\\s]*?style[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?style[\\s]*?>"; // 定义style的正则表达式{或<style[^>]*?>[\\s\\S]*?<\\/style>  
            // }  
            String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式  
            String regEx_html1 = "<[^>]+";  
            p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);  
            m_script = p_script.matcher(htmlStr);  
            htmlStr = m_script.replaceAll(""); // 过滤script标签  
  
            p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);  
            m_style = p_style.matcher(htmlStr);  
            htmlStr = m_style.replaceAll(""); // 过滤style标签  
  
            p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);  
            m_html = p_html.matcher(htmlStr);  
            htmlStr = m_html.replaceAll(""); // 过滤html标签  
  
            p_html1 = Pattern.compile(regEx_html1, Pattern.CASE_INSENSITIVE);  
            m_html1 = p_html1.matcher(htmlStr);  
            htmlStr = m_html1.replaceAll(""); // 过滤html标签  
  
            textStr = htmlStr;  
  
        } catch (Exception e) {  
            System.err.println("Html2Text: " + e.getMessage());  
        }  
  
        return textStr;// 返回文本字符串  
    }  
}  

